Best Mass Gainer Apps

132+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated October 2026

The best mass gainer apps on iPhone average 4.3★ across 132+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Mass Gainer Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1The Weight Gain AppThe Weight Gain AppFree4.8★ (753)NoYesOct 2026
2Mass Gain Workout PlansMass Gain Workout PlansFree—YesYesMay 2026
3BulkUp: Weight GainerBulkUp: Weight GainerFree1.0★ (1)NoYesOct 2026
4yourWeight: Weight TrackeryourWeight: Weight TrackerFree4.7★ (587)YesYesOct 2026
5Mass Building ProgramMass Building ProgramFree3.5★ (2)YesYesSep 2026
6Weight Gain Workouts Food DietWeight Gain Workouts Food DietFree4.6★ (1.3K)YesYesOct 2026
7Gain Muscle MassGain Muscle MassFree5.0★ (1)YesYesOct 2026
8YouGain: Weight Gain TrackerYouGain: Weight Gain TrackerFree4.7★ (3)NoYesOct 2026

Top Picks for Mass Gainer

The Weight Gain App#1

The Weight Gain App by Strongr Fastr LLC

Gain Weight, Muscle & Curves
Editor's Choice
💪 Health & Fitness
4.8(753 ratings)
FreeIn-App Purchases
The Weight Gain App screenshot 1
The Weight Gain App screenshot 2
The Weight Gain App screenshot 3
The Weight Gain App screenshot 4
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This app provides personalized weekly meal plans and training regimens to help users gain weight and build muscle. It supports various dietary preferences and includes features for tracking progress and managing grocery lists.

BulkUp: Weight Gainer#3
1.0(1 ratings)
FreeIn-App Purchases
BulkUp: Weight Gainer screenshot 1
BulkUp: Weight Gainer screenshot 2
BulkUp: Weight Gainer screenshot 3
BulkUp: Weight Gainer screenshot 4

This app helps individuals focused on gaining weight and building muscle track their calorie surplus and protein intake. It forecasts goal weight dates and monitors progress, offering insights into muscle versus fat gain. The tool is designed for users who find traditional diet apps unsuitable for bulking.

More Mass Gainer apps to explore

FAQ about Mass Gainer

What are the best mass gainer apps for iPhone?
The Weight Gain App tops our mass gainer apps ranking as of October 2026, with a 4.8-star average from 753 App Store ratings, and it's free to download.
Yes — 20 of the top mass gainer apps we rank are free to download, including The Weight Gain App and Mass Gain Workout Plans.
The Weight Gain App has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 132+ mass gainer apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.